STM32无需外接解码芯片播放音乐

一个将WAV文件转换成代码，直接储存在STM32上并直接播放的程序。亲测在STM32F1系列上直接可用，将你的耳机或者功放+喇叭接在B0，就可以听到美妙的音乐啦。

#include“typedef.h“
#include“sysinit.h“
#include“wav_fmt.h“
#include“driver.h“
#include


extern u8 WaveData[];

struct RIFF_BLOCK	RiffBlock; 
struct FMT_BLOCK   	FmtBlock;
struct FACT_BLOCK	FactBlock;
struct DATA_BLOCK	DataBlock;
u32 MusicPosite = 0;


void WavResolve（void）;
void SongInfoLCD（void）;
int main（）
{
	RCC_Config（）;
	NVIC_Config（）;
	GPIO_Config（）;
//	LCD1602_Init（）;

	WavResolve（）;
//	SongInfoLCD（）;
	TIMx_Config（）;
	while（1）
	{
		
	}
}


void WavResolve（void）
{
	/*  RIFF WAVE Chunk 内容解析 													*/
	RiffBlock.szRiffID[0] = WaveData[MusicPosite++];	// ‘R‘
	RiffBlock.szRiffID[1] = WaveData[MusicPosite++];	// ‘I‘
	RiffBlock.szRiffID[2] = WaveData[MusicPosite++];	// ‘F‘
	RiffBlock.szRiffID[3] = WaveData[MusicPosite++];	// ‘F‘

	RiffBlock.dwRiffSize = WaveData[MusicPosite++] + （WaveData[MusicPosite++] << 8） +
						   （WaveData[MusicPosite++] << 16） + （WaveData[MusicPosite++] << 24）;

	RiffBlock.szRiffFormat[0] = WaveData[MusicPosite++];	// ‘W‘
	RiffBlock.szRiffFormat[1] = WaveData[MusicPosite++];	// ‘A‘
	RiffBlock.szRiffFormat[2] = WaveData[MusicPosite++];	// ‘V‘
	RiffBlock.szRiffFormat[3] = WaveData[MusicPosite++];	// ‘E‘

	/* Format Chunk 内容解析 														*/
	FmtBlock.szFmtID[0] = WaveData[MusicPosite++];		// ‘f‘
	FmtBlock.szFmtID[1] = WaveData[MusicPosite++];		// ‘m‘
	FmtBlock.szFmtID[2] = WaveData[MusicPosite++];		// ‘t‘
	FmtBlock.szFmtID[3] = WaveData[MusicPosite++];		// ‘ ‘

	FmtBlock.dwFmtSize = WaveData[MusicPosite++] + （WaveData[MusicPosite++] << 8） +
		     			 （WaveData[MusicPosite++] << 16） + （WaveData[MusicPosite++] << 24）;

	FmtBlock.wavFormat.wFormatTag = WaveData[MusicPosite++] + （WaveData[MusicPosite++] << 8）;
	FmtBlock.wavFormat.wChannels = WaveData[MusicPosite++] + （WaveData[MusicPosite++] << 8）;
	FmtBlock.wavFormat.dwSamplesPerSec = WaveData[MusicPosite++] + （WaveData[MusicPosite++] << 8） +
		     			 （WaveData[MusicPosite++] << 16） + （WaveData[MusicPosite++] << 24）;
	FmtBlock.wavFormat.dwAvgBytesPerSec = WaveData[MusicPosite++] + （WaveData[MusicPosite++] << 8） +
		     			 （WaveData[MusicPosite++] << 16） + （WaveData[MusicPosite++] << 24）;
	FmtBlock.wavFormat.wBlockAlign = WaveData[MusicPosite++] + （WaveData[MusicPosite++] << 8）;
	FmtBlock.wavFormat.wBitsPerSample = WaveData[MusicPosite++] + （WaveData[MusicPosite++] << 8）;

	if（WaveData[MusicPosite] != ‘f‘）
		goto dt;
	/* Fact Chunk（optional） 内容解析												*/
	FactBlock.szFactID[0] = WaveData[MusicPosite++];	// ‘f‘
	FactBlock.szFactID[1] = WaveData[MusicPosite++];	// ‘a‘
	FactBlock.szFactID[2] = WaveData[MusicPosite++];	// ‘c‘
	FactBlock.szFactID[3] = WaveData[MusicPosite++];	// ‘t‘

	FactBlock.dwFactSize = WaveData[MusicPosite++] + （WaveData[MusicPosite++] << 8） +
						   （WaveData[MusicPosite++] << 16） + （WaveData[MusicPosite++] << 24）;

	MusicPosite +=FactBlock.dwFactSize;
	 
	/* Data Chunk 内容解析															*/
dt:	DataBlock.szDataID[0] = WaveData[MusicPosite++];	// 

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件      25414  2009-08-02 11:00  PWMMusic\bin\cortexm3_macro.lst

     文件       2348  2009-08-02 11:00  PWMMusic\bin\cortexm3_macro.o

     文件     132093  2009-08-02 11:00  PWMMusic\bin\drv_lcd1602.crf

     文件       1398  2009-08-02 11:00  PWMMusic\bin\drv_lcd1602.d

     文件     138432  2009-08-02 11:00  PWMMusic\bin\drv_lcd1602.o

     文件     126265  2009-08-02 11:00  PWMMusic\bin\drv_tmrx.crf

     文件       1337  2009-08-02 11:00  PWMMusic\bin\drv_tmrx.d

     文件     132392  2009-08-02 11:00  PWMMusic\bin\drv_tmrx.o

     文件       6993  2009-08-02 11:16  PWMMusic\bin\main.crf

     文件        191  2009-08-02 11:16  PWMMusic\bin\main.d

     文件      14908  2009-08-02 11:16  PWMMusic\bin\main.o

     文件     259540  2009-08-02 11:16  PWMMusic\bin\PWMMusic.axf

     文件     295784  2009-08-02 11:16  PWMMusic\bin\PWMMusic.hex

     文件      87973  2009-08-02 11:16  PWMMusic\bin\PWMMusic.htm

     文件        561  2009-08-02 11:16  PWMMusic\bin\PWMMusic.lnp

     文件      75733  2009-08-02 11:16  PWMMusic\bin\PWMMusic.map

     文件      14285  2009-08-02 11:16  PWMMusic\bin\PWMMusic.plg

     文件        479  2009-08-02 10:53  PWMMusic\bin\PWMMusic.sct

     文件       1901  2009-08-02 11:16  PWMMusic\bin\PWMMusic.tra

     文件      31925  2009-08-02 11:00  PWMMusic\bin\STM32F10x.lst

     文件       4816  2009-08-02 11:00  PWMMusic\bin\STM32F10x.o

     文件      30017  2009-08-02 11:00  PWMMusic\bin\stm32f10x_flash.crf

     文件        341  2009-08-02 11:00  PWMMusic\bin\stm32f10x_flash.d

     文件      37860  2009-08-02 11:00  PWMMusic\bin\stm32f10x_flash.o

     文件      35060  2009-08-02 11:00  PWMMusic\bin\stm32f10x_gpio.crf

     文件        388  2009-08-02 11:00  PWMMusic\bin\stm32f10x_gpio.d

     文件      43284  2009-08-02 11:00  PWMMusic\bin\stm32f10x_gpio.o

     文件     127396  2009-08-02 11:00  PWMMusic\bin\stm32f10x_it.crf

     文件       1410  2009-08-02 11:00  PWMMusic\bin\stm32f10x_it.d

     文件     139996  2009-08-02 11:00  PWMMusic\bin\stm32f10x_it.o

............此处省略110个文件信息